That was one point of divergence.

我们自此之后便分道扬镳。

The two biggest points of divergence between them currently is on what happens if there is a drought during the filling process and what happens during a disagreement between them.

目前，两国之间最大的两个分歧点在于，如果在填水过程中出现干旱怎么办，以及如果两国之间出现分歧怎么办。